//
//  UIViewController+Nav.h
//  XHLaunchAdExample
//
//  Created by zhuxiaohui on 2017/5/3.
//  Copyright © 2017年 it7090.com. All rights reserved.
//  代码地址:https://github.com/CoderZhuXH/XHLaunchAd

#import <UIKit/UIKit.h>

@interface UIViewController (Nav)
@property(nonatomic,strong,readonly)UINavigationController *myNavigationController;
@end
